肉毒毒素主要侵犯（） ["肝","感觉神经","肾","运动神经","循环系统"]
细菌性痢疾的主要病变部位位于（） ["回肠末端","乙状结肠与直肠","升结肠","降结肠","累及整个肠道"]
对开放性骨折处理错误的是（） ["清除所有的污物","清除所有坏死组织","最好不用止血带","去除所有游离骨块","不宜使用毛刷刷洗骨端"]
喉癌颈淋巴结转移最常见的部位是（） ["颈深上淋巴结","气管前淋巴结","颌下淋巴结","颈动脉三角区淋巴结","舌骨下淋巴结"]
肥厚性梗阻性心肌病人麻醉诱导后血压由130／80mmHg降至85／60mmHg，心率由80bpm降至75bpm，首选升压药为（） ["多巴胺","麻黄碱","头低足高体位","加快输液","盐酸去氧肾上腺素"]
简述常见脑血管病的鉴别诊断。
